CVE-2017-2897
An exploitable out-of-bounds write vulnerability exists in the read_MSAT function of libxls 1.4.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.15%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An exploitable out-of-bounds write vulnerability exists in the read_MSAT function of libxls 1.4. A specially crafted XLS file can cause a memory corruption resulting in remote code execution. An attacker can send malicious XLS file to trigger this vulnerability.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.15% probability · 82th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- libxls project/libxls
- Source
- talos-cna@cisco.com
EPSS 2.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://security.gentoo.org/glsa/202003-64Third Party Advisory
- https://www.debian.org/security/2018/dsa-4173Third Party Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0404Third Party Advisory
- https://security.gentoo.org/glsa/202003-64Third Party Advisory
- https://www.debian.org/security/2018/dsa-4173Third Party Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0404Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.